Invention Grant
- Patent Title: Toner for development of electrostatic image, method of producing the same, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus
- Patent Title (中): 用于静电图像显影的调色剂,其制造方法,静电图像显影剂,调色剂盒,处理盒和成像设备
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Application No.: US11808549Application Date: 2007-06-11
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Publication No.: US07972758B2Publication Date: 2011-07-05
- Inventor: Hirokazu Hamano
- Applicant: Hirokazu Hamano
- Applicant Address: JP Tokyo
- Assignee: Fuji Xerox Co., Ltd.
- Current Assignee: Fuji Xerox Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2006-298719 20061102
- Main IPC: G03G9/087
- IPC: G03G9/087

Abstract:
The invention provides a toner for development of an electrostatic image, which has colored particles containing a crystalline polyester resin having a melting temperature Tm1 (° C.) of approximately 50 to approximately 100° C., a non-crystalline polyester resin, and a coloring agent, the temperature Tm2 (° C.) of an endothermic peak derived from the crystalline polyester resin in a first process of raising temperature and the temperature Tm3 (° C.) of an endothermic peak derived from the crystalline polyester resin in a second process of raising temperature, in differential scanning calorimetry based on JIS K7121:1987, satisfying the following relationships (1) and (2): 0≦(Tm1−Tm2)
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